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路径: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\boost_1_35_0\boost\python\signature.hpp
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/////////////////////////////////////////////////////////////////////////////// // // Copyright David Abrahams 2002, Joel de Guzman, 2002. // Distributed under the Boost Software License, Version 1.0. (See // accompanying file LICENSE_1_0.txt or copy at // http://www.boost.org/LICENSE_1_0.txt) // /////////////////////////////////////////////////////////////////////////////// #if !defined(BOOST_PP_IS_ITERATING) # ifndef SIGNATURE_JDG20020813_HPP # define SIGNATURE_JDG20020813_HPP # include
# include
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# define BOOST_PYTHON_LIST_INC(n) \ BOOST_PP_CAT(mpl::vector, BOOST_PP_INC(n)) /////////////////////////////////////////////////////////////////////////////// namespace boost { namespace python { namespace detail { // A metafunction returning C1 if C1 is derived from C2, and C2 // otherwise template
struct most_derived { typedef typename mpl::if_< is_convertible
, C1 , C2 >::type type; }; // The following macros generate expansions for:: // // template
// inline mpl::vector
// get_signature(RT(*)(T0...TN), void* = 0) // { // return mpl::list
(); // } // // And, for an appropriate assortment of cv-qualifications:: // // template
// inline mpl::vector
// get_signature(RT(ClassT::*)(T0...TN) cv)) // { // return mpl::list
(); // } // // template
// inline mpl::vector< // RT // , typename most_derived
::type& // , T0...TN // > // get_signature(RT(ClassT::*)(T0...TN) cv), Target*) // { // return mpl::list
(); // } // // There are two forms for invoking get_signature:: // // get_signature(f) // // and :: // // get_signature(f,(Target*)0) // // These functions extract the return type, class (for member // functions) and arguments of the input signature and stuff them in // an mpl type sequence. Note that cv-qualification is dropped from // the "hidden this" argument of member functions; that is a // necessary sacrifice to ensure that an lvalue from_python converter // is used. A pointer is not used so that None will be rejected for // overload resolution. // // The second form of get_signature essentially downcasts the "hidden // this" argument of member functions to Target, because the function // may actually be a member of a base class which is not wrapped, and // in that case conversion from python would fail. // // @group { # define BOOST_PP_ITERATION_PARAMS_1 \ (3, (0, BOOST_PYTHON_MAX_ARITY,
)) # include BOOST_PP_ITERATE() # undef BOOST_PYTHON_LIST_INC // } }}} // namespace boost::python::detail # endif // SIGNATURE_JDG20020813_HPP #elif BOOST_PP_ITERATION_DEPTH() == 1 // defined(BOOST_PP_IS_ITERATING) # define N BOOST_PP_ITERATION() template < class RT BOOST_PP_ENUM_TRAILING_PARAMS_Z(1, N, class T)> inline BOOST_PYTHON_LIST_INC(N)< RT BOOST_PP_ENUM_TRAILING_PARAMS_Z(1, N, T)> get_signature(RT(*)(BOOST_PP_ENUM_PARAMS_Z(1, N, T)), void* = 0) { return BOOST_PYTHON_LIST_INC(N)< RT BOOST_PP_ENUM_TRAILING_PARAMS_Z(1, N, T) >(); } # undef N # define BOOST_PP_ITERATION_PARAMS_2 \ (3, (0, 3,
)) # include BOOST_PP_ITERATE() #else # define N BOOST_PP_RELATIVE_ITERATION(1) # define Q BOOST_PYTHON_CV_QUALIFIER(BOOST_PP_ITERATION()) template < class RT, class ClassT BOOST_PP_ENUM_TRAILING_PARAMS_Z(1, N, class T)> inline BOOST_PYTHON_LIST_INC(BOOST_PP_INC(N))< RT, ClassT& BOOST_PP_ENUM_TRAILING_PARAMS_Z(1, N, T)> get_signature(RT(ClassT::*)(BOOST_PP_ENUM_PARAMS_Z(1, N, T)) Q) { return BOOST_PYTHON_LIST_INC(BOOST_PP_INC(N))< RT, ClassT& BOOST_PP_ENUM_TRAILING_PARAMS_Z(1, N, T) >(); } template < class Target , class RT , class ClassT BOOST_PP_ENUM_TRAILING_PARAMS_Z(1, N, class T) > inline BOOST_PYTHON_LIST_INC(BOOST_PP_INC(N))< RT , typename most_derived
::type& BOOST_PP_ENUM_TRAILING_PARAMS_Z(1, N, T) > get_signature( RT(ClassT::*)(BOOST_PP_ENUM_PARAMS_Z(1, N, T)) Q , Target* ) { return BOOST_PYTHON_LIST_INC(BOOST_PP_INC(N))< RT , BOOST_DEDUCED_TYPENAME most_derived
::type& BOOST_PP_ENUM_TRAILING_PARAMS_Z(1, N, T) >(); } # undef Q # undef N #endif // !defined(BOOST_PP_IS_ITERATING)
signature.hpp
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